component
SMF4L16A
Public Made by Adomby adom
LGE ESD And Surge Protection (TVS/ESD), SOD-123FL. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownSMF4L16A
LGE · ESD And Surge Protection (TVS/ESD) · SOD-123FL
SMF4L16A from LGE, in a SOD-123FL. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | LGE |
| Package | SOD-123FL |
| Category | Circuit Protection |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (unidirectional), min | VBR | 17.8 | V | @IT 1 mA, uni-directional, SMF4L16A | 2 | ||
| Breakdown voltage (unidirectional), max | VBR | 19.7 | V | @IT 1 mA, uni-directional, SMF4L16A | 2 | ||
| Maximum reverse leakage | IR | 1 | μA | @VR 16 V | 2 | ||
| Maximum peak pulse current | IPP | 15.38 | A | 10/1000μs surge waveform (note 2) | 2 | ||
| Maximum clamping voltage | VC | 26 | V | @IPP 15.38 A | 2 | ||
| Peak power dissipation, 10/1000μs | PPP | 400 | W | 10/1000μs waveform, non-repetitive (notes 1, 3) | 1 | ||
| Peak power dissipation, 8/20μs | PPP | 2000 | W | 8/20μs waveform (note 1) | 1 | ||
| Peak forward surge current | IFSM | 30 | A | 8.3 ms single half sine-wave, unidirectional only (note 2) | 1 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | at 25 A, unidirectional only | 1 | ||
| Junction temperature | TJ | 150 | ℃ | 1 | |||
| Storage temperature range | TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal resistance, junction to ambient | RΘJA | 220 | ℃/W | 1 | |||
| Thermal resistance, junction to lead | RΘJL | 100 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
SMF4L16A - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files:
smf4l16a-etched.step/smf4l16a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smf4l16a.step/smf4l16a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LGE datasheet (3 pp, sha256
b73f7e14c9df9aa5, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).